Fix an IndexOutOfBoundsException
Fix issue in last PR #330, Fix NullPointerException in GoPsiTypeChannelImpl, Added check if is the same Dir GoPsiTypeNameImpl
Improve the getType for enum, and fix an probable nullPointerException inside GoBinaryExpressionImpl.resolveTypes, this also fix the issue #348
Fix: get expected return when isConstantExpression() is called on a typed constant
Update Tests, and fix an error getting on get type no typed constants
Merge pull request #344 from josehsantos/master

Fix an IndexOutOfBoundsException